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The value of \(\cos 15^{\circ}-\sin 15^{\circ}\) is
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Verified Answer
The correct answer is:
\(\frac{1}{\sqrt{2}}\)
Hints : \(\cos 15^{\circ}-\sin 15^{\circ}=\sqrt{2} \cos 60^{\circ}=\frac{1}{\sqrt{2}}\)
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